alleryNet energy released when four hydrogen atoms form one helium atom in the sun?
A5.49 MeV
B12.86 MeV
C0.42 MeV
D26.7 MeV
Answer & Solution
Correct answer: D. 26.7 MeV
Adding the steps of the proton-proton cycle gives a net release of 26.7 MeV per helium atom.
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